Summary of results of the Coal Resource Occurrence and Coal Development Potential mapping program in part of the Powder River Basin, Montana and Wyoming
By: by Virgil A. Trent
Contributors: Geological Survey (U.S.)
Series: Open-file report -- 85-621; U.S. Geological Survey open-file report -- 85-621
Publisher: Dept. of the Interior, U.S. Geological Survey
Published: 1985
Place of publication: [Reston, Va.?]
Language: eng
Format: Microform
Subjects: Coal reserves -- Montana; Coal reserves -- Wyoming
Notes: Distributed to depository libraries in microfiche

Bibliography: leaves 44-49

Microfiche. [Denver, Colo. : U.S. Geological Survey, 1985]. 2 microfiches ; 11 x 15 cm